Disease Summary help help Associated Targets (1)Tbio1 Explore Associated Targets list GARD Rare open_in_new Mondo Description Brachydactyly type B (BDB) is a very rare congenital malformation characterized by hypoplasia or aplasia of the terminal parts of fingers 2 to 5, with complete absence of the fingernails. Mondo Term and Equivalent IDs MONDO:0019676: brachydactyly type B GARD:0000985: open_in_newOrphanet:93383: